debug.h 1.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Debugging printout:
  4. */
  5. #define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
  6. #define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
  7. /* FIXME */
  8. #define ___PD(f) do { } while (0)
  9. static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
  10. {
  11. static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
  12. if (!__ratelimit(&ratelimit))
  13. return;
  14. printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
  15. irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
  16. printk("->handle_irq(): %p, %pS\n",
  17. desc->handle_irq, desc->handle_irq);
  18. printk("->irq_data.chip(): %p, %pS\n",
  19. desc->irq_data.chip, desc->irq_data.chip);
  20. printk("->action(): %p\n", desc->action);
  21. if (desc->action) {
  22. printk("->action->handler(): %p, %pS\n",
  23. desc->action->handler, desc->action->handler);
  24. }
  25. ___P(IRQ_LEVEL);
  26. ___P(IRQ_PER_CPU);
  27. ___P(IRQ_NOPROBE);
  28. ___P(IRQ_NOREQUEST);
  29. ___P(IRQ_NOTHREAD);
  30. ___P(IRQ_NOAUTOEN);
  31. ___PS(IRQS_AUTODETECT);
  32. ___PS(IRQS_REPLAY);
  33. ___PS(IRQS_WAITING);
  34. ___PS(IRQS_PENDING);
  35. ___PD(IRQS_INPROGRESS);
  36. ___PD(IRQS_DISABLED);
  37. ___PD(IRQS_MASKED);
  38. }
  39. #undef ___P
  40. #undef ___PS
  41. #undef ___PD